
GREAT BRITAIN USED ABROAD: COLON 1881 Oct 6 Envelope to London franked 1880 1s orange-brown plate 13 lettered I-G, well centered, 1 shortish corner perf., tied by barred 'B16' cancel, blue Colon E.U. de Colombia despatch with matching blue 'T' in circle handstamp, obliterated by a further B16 strike, London Oct 29 arrival backstamp. Envelope with couple of minor folds. The British P.O. closed prior to the usage of this stamp but not not picked up by the mail clerk at Plymouth who cancelled it 'B16'. Rarity. ex Saylor.